This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/osmocom-sdr@lists.osmocom.org/.
Oliver Jowett oliver.jowett at gmail.comdump1090 is not expecting samples on stdin, it uses librtlsdr directly; now you have two things competing for the same dongle. It's got nothing to do with the zero-copy stuff. Oliver On Sat, 17 Aug 2019 at 00:19, Hudspeth, Robert Lee <hudspero at oregonstate.edu> wrote: > Hello, Steve. I tried the fix you suggested the other day, but I still end > up with the same error as before. > > I thought it'd help if I show what exactly I'm seeing in my console output > when I try to run both dump978 & dump1090 at the same time. > > *Robert L. Hudspeth* > > > On Thu, Aug 15, 2019 at 1:15 PM Steve Markgraf <steve at steve-m.de> wrote: > >> Hi Robert, >> >> On 15.08.19 17:50, Hudspeth, Robert Lee wrote: >> > I'm trying to run utilities that capture 978 >> > <https://github.com/mutability/dump978> & 1090Mhz >> > <https://github.com/mutability/dump1090> traffic simultaneously, but I >> > can't seem to stop rtl_sdr from allocating too many zero-copy buffers >> > and preventing both programs from running simultaneously (I'd like to >> > cut down from 15). I've been through librtlsdr.c and rtl_adsb.c with the >> > hope of manually changing some variable that will let me accomplish this >> > to no avail. >> >> Just increase the usbfs memory limit, the default is only 16MB. >> Either write the new size, or completely disable the limit with: >> >> echo 0 > /sys/module/usbcore/parameters/usbfs_memory_mb >> >> Regards, >> Steve >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20190817/95528555/attachment.htm>